Home / 43,573.86-65,353.93-11,986.29

Finding the Fourth Proportional to 43,573.86, 65,353.93 and 11,986.29

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Solution

The fourth proportional to 43,573.86, 65,353.93 and 11,986.29 is: 17,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.86 : 65,353.93 = 11,986.29 : x
  2. Step 2: Convert to fraction form
    43,573.86/65,353.93 = 11,986.29/x
  3. Step 3: Cross multiply
    43,573.86x = 65,353.93 × 11,986.29
  4. Step 4: Simplify right side
    43,573.86x = 783,351,157.62
  5. Step 5: Solve for x
    x = 783,351,157.62/43,573.86
  6. Step 6: Final answer
    x = 17,977.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.